wire-test: command not found

Maybe Your $PATH variable doesn't contain the default paths? echo $PATH should give something like:

[root@server ~]# echo $PATH
/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin

If it's empty, You may set the PATH variable with this command

export PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin:/root/bin"

On CentOS possible default full paths are:

/usr/sbin/wire-test - from package: am-utils

You may install the required package with command yum install {package}

On Debian possible default full paths are:

/usr/sbin/wire-test - from package: am-utils

You may install the required package with command apt-get install {package}

Error in other languages:
wire-test: bevel nie gevind nie
wire-test: comandă negăsită
wire-test: comando não encontrado
wire-test: commande introuvable
wire-test: command not found
wire-test: käsku ei ole
wire-test: không tìm thấy lệnh
wire-test: komanda nerasta
wire-test: Kommando nicht gefunden.
wire-test: kommandot finns inte
wire-test: komut yok
wire-test: nie znaleziono polecenia
wire-test: níor aimsíodh an t-ordú
wire-test: no se encontró la orden
wire-test: no s'ha trobat l'ordre
wire-test: opdracht niet gevonden
wire-test: parancs nem található
wire-test: perintah tidak ditemukan
wire-test: príkaz nenájdený
wire-test: příkaz nenalezen
wire-test: команда не найдена
wire-test: командата не е открита
wire-test: 命令找不到
wire-test: コマンドが見つかりません